from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A state of agitation, confusion, or delirium, especially in patients suffering from Alzheimer's disease, which begins daily at nightfall and which is alleviated by daylight.


Sorry, no etymologies found.


  • My doctor husband listens carefully to what he calls sundowning rants just in case there's any validity to the charges.

    The Full Feed from

  • Light is especially important in the late afternoon and early evening, when a phenomenon known as sundowning kicks in.

    Coping With The Darkness

  • The latter, called "sundowning," occurs in people with dementia, although the cause is unclear.

  • For example, Richard was greatly affected by "sundowning," a common phenomenon in which dementia patients 'behavioral symptoms are triggered by the change from day to night.

    Alzheimer's Disease: Caring for the Caregiver

  • It turns out that, just as most infants have a crying jag every afternoon before dinner, parents with dementia experience "sundowning," a late afternoon agitation that can get ugly.

    Karen Ann Coburn: The Visit

  • I wonder if the early evening change at the nursing home is due to "sundowning" in some of the patients.


  • The term "sundowning" refers to a state of confusion at the end of the day and into the night, often leading to a state of increased agitation, activity and even borderline demented behavior. South Carolina Stories

  • Those Alzheimer's patients with this specific affliction often show heightened afternoon agitation, called sundowning, which has been shown in many studies to be effectively treated with melatonin supplements in the evening. [


  • There are a lot of possible candidates-- just that things didn't get a lot better, sundowning blacks driven out of small towns and rural areas, urban renewal, segregation, drugs, the war on drugs.....

    What Story Are You Telling Yourself?

  • It's as big now as it was during the 1920s heyday of sundowning and lynching across the country. (snip) When you get this many have-nots, there are only two ways to go.



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